Finding the Fourth Proportional to 71,423.07, 107,136.63 and 27,041.55
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Solution
The fourth proportional to 71,423.07, 107,136.63 and 27,041.55 is: 40,563.09
Step by Step Solution
- Step 1: Write the proportion equation
71,423.07 : 107,136.63 = 27,041.55 : x - Step 2: Convert to fraction form
71,423.07/107,136.63 = 27,041.55/x - Step 3: Cross multiply
71,423.07x = 107,136.63 × 27,041.55 - Step 4: Simplify right side
71,423.07x = 2,897,140,536.98 - Step 5: Solve for x
x = 2,897,140,536.98/71,423.07 - Step 6: Final answer
x = 40,563.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.